<template>
  <div class="app-container" style="padding: 0">
    <RightContainer>
      <template v-slot:search>
        <el-form v-show="showSearch" ref="queryForm" :model="queryParams" :inline="true">
          <el-form-item prop="menuName">
            <el-input
              v-model="queryParams.menuName"
              placeholder="请输入菜单名称"
              clearable
              size="small"
              @keyup.enter.native="handleQuery"
            />
          </el-form-item>
          <el-form-item prop="status">
            <el-select v-model="queryParams.status" placeholder="请选择菜单开启状态" clearable size="small">
              <el-option
                v-for="dict in statusOptions"
                :key="dict.dictValue"
                :label="dict.dictLabel"
                :value="dict.dictValue"
              />
            </el-select>
          </el-form-item>
          <el-form-item>
            <el-button
              v-preventReClick="200"
              type="primary"
              :loading="searchButtonLoading"
              @click="()=>{
                searchButtonLoading = true;
                handleQuery()
              }"
            >查询</el-button>
            <el-button
              v-preventReClick="200"
              class="btn-reset"
              :loading="resetButtonLoading"
              @click="()=>{
                resetButtonLoading = true;
                resetQuery()
              }"
            >重置</el-button>
          </el-form-item>
        </el-form>
      </template>
      <template v-slot:operate-btn>
        <el-button
          v-hasPermi="['system:menu:add']"
          type="primary"
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
        >新增菜单</el-button>
      </template>
      <template v-slot:data>
        <el-table
          v-loading="loading"
          :data="menuList"
          row-key="menuId"
          :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
        >
          <el-table-column prop="menuName" label="菜单名称" :show-overflow-tooltip="true" width="160" />
          <el-table-column prop="icon" label="图标" align="center" width="100">
            <template slot-scope="scope">
              <svg-icon :icon-class="scope.row.icon" />
            </template>
          </el-table-column>
          <el-table-column prop="orderNum" label="排序" width="60" />
          <el-table-column prop="perms" label="权限标识" :show-overflow-tooltip="true" />
          <el-table-column prop="component" label="组件路径" :show-overflow-tooltip="true" />
          <el-table-column prop="status" label="状态" :formatter="statusFormat" width="80" />
          <el-table-column label="创建时间" align="center" prop="createTime">
            <template slot-scope="scope">
              <span>{{ parseTime(scope.row.createTime) }}</span>
            </template>
          </el-table-column>
          <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
            <template slot-scope="scope">
              <el-button
                v-hasPermi="['system:menu:edit']"
                size="mini"
                type="text"
                @click="handleUpdate(scope.row)"
              >修改</el-button>
              <el-button
                v-hasPermi="['system:menu:add']"
                size="mini"
                type="text"
                @click="handleAdd(scope.row)"
              >新增</el-button>
              <el-button
                v-hasPermi="['system:menu:remove']"
                size="mini"
                type="text"
                @click="handleDelete(scope.row)"
              >删除</el-button>
            </template>
          </el-table-column>
        </el-table>
      </template>
    </RightContainer>

    <!-- 添加或修改菜单对话框 -->
    <el-dialog
      class="foot-button-reverse-dialog-wrapper"
      :title="title"
      :visible.sync="open"
      width="600px"
      append-to-body
      :close-on-click-modal="false"
    >
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-col :span="24">
            <el-form-item label="上级菜单">
              <treeselect
                v-model="form.parentId"
                :options="menuOptions"
                :normalizer="normalizer"
                :show-count="true"
                placeholder="选择上级菜单"
              />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="菜单类型" prop="menuType">
              <el-radio-group v-model="form.menuType">
                <el-radio label="M">目录</el-radio>
                <el-radio label="C">菜单</el-radio>
                <el-radio label="F">按钮</el-radio>
                <el-radio label="P">页面</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item v-if="form.menuType != 'F'" label="菜单图标">
              <el-popover placement="bottom-start" width="460" trigger="click" @show="$refs['iconSelect'].reset()">
                <IconSelect ref="iconSelect" @selected="selected" />
                <el-input slot="reference" v-model="form.icon" placeholder="点击选择图标">
                  <svg-icon
                    v-if="form.icon"
                    slot="prefix"
                    :icon-class="form.icon"
                    class="el-input__icon"
                    style="height: 32px; width: 16px"
                  />
                  <i v-else slot="prefix" class="el-icon-search el-input__icon" />
                </el-input>
              </el-popover>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="菜单名称" prop="menuName">
              <el-input v-model="form.menuName" placeholder="请输入菜单名称" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="显示排序" prop="orderNum">
              <el-input-number v-model="form.orderNum" controls-position="right" :min="0" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" label="是否外链">
              <el-radio-group v-model="form.isFrame">
                <el-radio label="0">是</el-radio>
                <el-radio label="1">否</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" label="路由地址" prop="path">
              <el-input v-model="form.path" placeholder="请输入路由地址" />
            </el-form-item>
          </el-col>
          <el-col v-if="['C', 'P'].includes(form.menuType)" :span="12">
            <el-form-item label="组件路径" prop="component">
              <el-input v-model="form.component" placeholder="请输入组件路径" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'M'" label="权限标识">
              <el-input v-model="form.perms" placeholder="请权限标识" maxlength="50" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" label="显示状态">
              <el-radio-group v-model="form.visible">
                <el-radio v-for="dict in visibleOptions" :key="dict.dictValue" :label="dict.dictValue">{{
                  dict.dictLabel
                }}</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" label="菜单状态">
              <el-radio-group v-model="form.status">
                <el-radio v-for="dict in statusOptions" :key="dict.dictValue" :label="dict.dictValue">{{
                  dict.dictLabel
                }}</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <RequestButton type="primary" :request-method="submitForm" button-type="submit">确 定</RequestButton>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import RequestButton from '@/components/Button/RequestButton.vue';
import { changeButtonLoading } from '@/utils/common';
import { listMenu, getMenu, delMenu, addMenu, updateMenu } from '@/api/system/menu';
import Treeselect from '@riophae/vue-treeselect';
import '@riophae/vue-treeselect/dist/vue-treeselect.css';
import IconSelect from '@/components/IconSelect';
import RightContainer from '@/components/RightContainer';
import loadingMixin from '@/mixin/loadingMixin';
export default {
  name: 'Menu',
  components: { Treeselect, IconSelect, RightContainer, RequestButton },
  mixins: [loadingMixin],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 显示搜索条件
      showSearch: true,
      // 菜单表格树数据
      menuList: [],
      // 菜单树选项
      menuOptions: [],
      // 弹出层标题
      title: '',
      // 是否显示弹出层
      open: false,
      // 显示状态数据字典
      visibleOptions: [],
      // 菜单状态数据字典
      statusOptions: [],
      // 查询参数
      queryParams: {
        menuName: undefined,
        visible: undefined
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        menuName: [{ required: true, message: '菜单名称不能为空', trigger: 'blur' }],
        orderNum: [{ required: true, message: '菜单顺序不能为空', trigger: 'blur' }],
        path: [{ required: true, message: '路由地址不能为空', trigger: 'blur' }]
      }
    };
  },
  created() {
    this.getList();
    this.getDicts('sys_show_hide').then((response) => {
      this.visibleOptions = response.data;
    });
    this.getDicts('sys_normal_disable').then((response) => {
      this.statusOptions = response.data;
    });
  },
  methods: {
    // 选择图标
    selected(name) {
      this.form.icon = name;
    },
    /** 查询菜单列表 */
    getList() {
      this.loading = true;
      listMenu(this.queryParams).then((response) => {
        this.menuList = this.handleTree(response.data, 'menuId');
      }).finally(() => {
        this.modifyButtonStatus();
        this.loading = false;
      });
    },
    /** 转换菜单数据结构 */
    normalizer(node) {
      if (node.children && !node.children?.length) {
        delete node.children;
      }
      return {
        id: node.menuId,
        label: node.menuName,
        children: node.children
      };
    },
    /** 查询菜单下拉树结构 */
    getTreeselect() {
      listMenu().then((response) => {
        this.menuOptions = [];
        const menu = { menuId: 0, menuName: '主类目', children: [] };
        menu.children = this.handleTree(response.data, 'menuId');
        this.menuOptions.push(menu);
      });
    },
    // 显示状态字典翻译
    visibleFormat(row, column) {
      if (row.menuType === 'F') {
        return '';
      }
      return this.selectDictLabel(this.visibleOptions, row.visible);
    },
    // 菜单状态字典翻译
    statusFormat(row, column) {
      if (row.menuType === 'F') {
        return '';
      }
      return this.selectDictLabel(this.statusOptions, row.status);
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        menuId: undefined,
        parentId: 0,
        menuName: undefined,
        icon: undefined,
        menuType: 'M',
        orderNum: undefined,
        isFrame: '1',
        visible: '0',
        status: '0'
      };
      this.resetForm('form');
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm('queryForm');
      this.handleQuery();
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.reset();
      this.getTreeselect();
      if (row != null && row.menuId) {
        this.form.parentId = row.menuId;
      } else {
        this.form.parentId = 0;
      }
      this.open = true;
      this.title = '添加菜单';
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      this.getTreeselect();
      getMenu(row.menuId).then((response) => {
        this.form = response.data;
        this.open = true;
        this.title = '修改菜单';
      });
    },
    /** 提交按钮 */
    submitForm: function() {
      this.$refs['form'].validate((valid) => {
        if (valid) {
          if (this.form.menuId !== undefined) {
            updateMenu(this.form).then((response) => {
              changeButtonLoading(this.$store, 'submit');
              this.msgSuccess('修改成功');
              this.open = false;
              this.getList();
            });
          } else {
            addMenu(this.form).then((response) => {
              changeButtonLoading(this.$store, 'submit');
              this.msgSuccess('新增成功');
              this.open = false;
              this.getList();
            });
          }
        } else {
          changeButtonLoading(this.$store, 'submit');
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      this.confirmModal(
        {
          msg: '即将删除菜单项“' + row.menuName + '”，删除后系统将不再显示，是否继续？'
        },
        () => {
          return delMenu(row.menuId)
            .then(() => {
              this.getList();
              this.msgSuccess('删除成功');
            })
            .catch(function() {});
        }
      );
    }
  }
};
</script>
